The Tonight Show Starring Jimmy Fallon

Season 2 Episode 4: Lena Dunham, J.K. Simmons, Ghostface Killah with the Revelations featuring AZ and Kool G Rap

Air Date: 2015-01-08

Actress Lena Dunham; actor J.K. Simmons; rapper Ghostface Killah performs with special music guests rapper AZ and Kool G Rap.